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root / semester_1 / letusc / lucproblem010.c

lucproblem010.c (1068B)

---

 /* Write a program to generate all combination of 1, 2 and 3 using for loop. */
 /* Let Us C, Chap - 6, Page - 103, Problem 6.3 */
 
 #include <stdio.h>
 
 int main()
 {
     printf("Combination of 1, 2 and 3 :");
 
     // for 1 digit numbers
     for (int i = 1; i <= 3; i++)
     {
         printf("  %d", i);
     }
 
     // for 2 digit numbers
     for (int i = 1; i <= 3; i++)
     {
         for (int j = 1; j <= 3; j++)
         {
             printf("  %d%d", i, j);
         }
     }
 
     // for 3 digit numbers
     for (int i = 1; i <= 3; i++)
     {
         for (int j = 1; j <= 3; j++)
         {
             for (int k = 1; k <= 3; k++)
             {
                 printf("  %d%d%d", i, j, k);
             }
         }
     }
 
     // for 4 digit numbers
     for (int i = 1; i <= 3; i++)
     {
         for (int j = 1; j <= 3; j++)
         {
             for (int k = 1; k <= 3; k++)
             {
                 for (int l = 1; l <= 3; l++)
                 {
                     printf("  %d%d%d%d", i, j, k, l);
                 }
             }
         }
     }
 
     return 0;
 }